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C28TB-25000M

更新时间: 2024-10-28 06:45:55
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MILITARY STANDARD HIGH TEMPERATURE OSCILLATORS

C28TB-25000M 数据手册

  
MILITARY STANDARD HIGH TEMPERATURE OSCILLATORS  
These dual in line Quartz Crystal Clock Oscillators are designed  
for use as clock generators and timing sources where high  
temperature, miniature size, and high reliability are of paramount  
importance. It is hermetically sealed to assure superior performance.  
FEATURES:  
Temperatures up to 300°C  
• Low profile: seated height only 0.200”  
• DIP Types in Commercial & Military versions  
• Wide frequency range: 1 Hz to 25 MHz  
• Stability specification options from ±20 to ±1000 PPM  
ELECTRICAL SPECIFICATIONS  
TESTING SPECIFICATIONS  
Frequency Range  
Accuracy @ 25°C  
Supply Voltage, VDD  
Supply Current ID  
1 Hz to 25.000 MHz  
±0.0015%  
+5 VDC to +15VDC  
1 mA max. at +5VDC  
• Seal tested per MIL-STD-202  
• Hybrid construction to MIL-M-38510  
• Available screen tested to MIL-STD-883  
• Meets MIL-05-55310  
5 mA max. at +15VDC  
CMOS Compatible  
Output Load  
Symmetry  
Rise and Fall Times  
ENVIRONMENTAL DATA  
50/50% ± 10% (40/60%)  
5 nsec max at +5V, CL=50pF  
5 nsec max at +15V, RL=200kΩ  
+0.5V 50kLoad to input voltage  
VDD- 1.0V min, 50kload to ground  
5 PPM / Year max.  
Vibration:  
Shock:  
50G Peak, 2 kHz  
1000G, 1msec. Half Sine  
Acceleration: 10,000G, 1 min.  
Logic ‘0’ Level  
Logic ‘1” Level  
Aging  
Storage Temperature  
Operating Temperature  
Stability  
-65°C to +300°C  
-25 +150°C up to -55 + 300°C  
±20 PPM ~ ±1000 PPM  
MECHANICAL SPECIFICATIONS  
PART NUMBERING GUIDE  
-8  
Leak Rate  
1 (10) ATM cc/sec  
Sample Part Number: C17SA-25.000M  
Hermetically sealed package  
Will withstand 2 bends of 90°  
reference to base  
Epoxy ink, heat cured or laser mark  
Isopropyl alcohol, tricholorethane,  
freon for 1 minute immersion  
Gold  
C:  
1:  
7:  
S:  
A:  
CMOS Oscillator  
Bend Test  
Package drawing (1, 2, or 3)  
Temperature Range (see below)  
Temperature Stability (see below)  
Pin Connections  
Marking  
Solvent Resistance  
Terminal Finish  
Temperature Range Options:  
5: -25°C to +150°C  
6: -20°C to +175°C  
7: 0°C to +200°C  
8: -20°C to +200°C  
9: -55°C to +200°C  
10: -55°C to +250°C  
11: -55°C to +300°C  
PACKAGE TYPE 1  
PACKAGE TYPE 2  
20.32 (0.80) max  
PACKAGE TYPE 3  
o 0.55 MAX  
20.32 (0.80) max  
#1  
#8  
Temperature Stability Options:  
Q: ±1000 PPM  
R: ±500 PPM  
W: ±200 PPM  
S: ±100 PPM  
T: ± 50 PPM  
U: ±20 PPM  
#5  
#4  
Pin 1  
Pin 1  
7.65 ± 0.2  
5.08  
(0.20)  
5.08  
(0.20)  
5.59  
(0.22)  
5.59  
(0.22)  
PIN CONNECTIONS  
0.8  
OUTPUT B-(GND) B+  
N.C.  
6.8 MIN 5.3 MAX  
3.81  
(0.15)  
Pin 1  
3.81  
(0.15)  
Pin 1  
1
A
B
C
8
5
1
7
7
8
14  
4
1-6, 9-13  
1-3, 6, 8-14  
7
8
1
7
8
14  
14  
14 3-7, 9-13  
2.54 (0.10)  
2.54 (0.10)  
12.8 MIN  
33  
HEC, INC. HOORAY USA • 30961 WEST AGOURA RD., SUITE 311 • WESTLAKE VILLAGE CA USA 91361  
TEL: 818-879-7414 • FAX: 818-879-7417 • EMAIL: sales@hoorayusa.com • INTERNET: www.hoorayusa.com  

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